Note 3 - Reserve for Sales Returns and Allowances (Details) - Reserve for Sales Returns and Allowances (Allowance for Sales Returns [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Allowance for Sales Returns [Member]
Note 3 - Reserve for Sales Returns and Allowances (Details) - Reserve for Sales Returns and Allowances [Line Items]
Balance	$ 178,000	$ 272,000
Provision for returns and allowances	3,062,000	2,203,000
Liability asumed in acquisition of business	645,000
Actual returns and allowances paid to customers	(3,092,000)	(2,297,000)
Balance	$ 793,000	$ 178,000